Unit: British thermal unit (th) per square foot second

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Identifier: UN1002
Name: British thermal unit (th) per square foot second
Symbol: Btu_{th}.(ft2.s)-1
Reference: https://www.nist.gov/pml/special-publication-811/nist-guide-si-appendix-b-conversion-factors/nist-guide-si-appendix-b8#B